Lodash _.bind() Method

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The Lodash _.bind() method is used to create a function that will invoke the given function with the this binding of thisArg and it is used to bind a function to an object. When the function is called, the value of this will be the object. The _.bind.placeholder value, which defaults to _ in monolithic builds, may be used as a placeholder for partially applied arguments.

Syntax:

_.bind(func, thisArg, partials)

Parameter: This method accepts three parameters as mentioned above and described below:

func: This parameter holds the function that will bind.
thisArg: This parameter holds the object elements.
partials: This parameter needs to add some symbols between the elements.

Return value: This method returns a new bound function.

The below example illustrates the Lodash _.bind() method:

Example 1:

Javascript

// Acquiring lodash variable 
const _ = require('lodash');  
  
// Function 
var fun = function(Geeks) {  
    return 'Company Name : ' + this.Company  
        + '\nAddress : ' + this.Address  
        + '\nContact : ' + this.Contact  
};  
    
// Use of bind() function 
var func = _.bind(fun, {  
    Company: 'zambiatek',  
    Address: 'Noida',  
    Contact: '+91 9876543210' 
});  
    
console.log(func());

Output:

Company Name : zambiatek 
Address : Noida 
Contact : +91 9876543210

Example 2:

Javascript

// Lodash variable 
const _ = require('lodash');  
  
var obj = {  
    Name: "zambiatek",  
    Address: "Noida" 
};  
    
var fun = function (Geeks) {  
    return 'Welcome to ' + this.Name  
        + '\nAddress: ' + this.Address  
}; 
    
var func = _.bind(fun, obj);  
   
console.log(func());

Output:

Welcome to zambiatek 
Address: Noida

Reference: https://docs-lodash.com/v4/bind/

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